Which technique is used in a washing machine to squeeze out water from wet clothes while drying?

Name the process by which all the dye can be recovered from black ink.

Name the process by which the various ‘dyes’ (coloured materials) present in black ink can be separated.

Which technique can be used to detect and identify traces of poison present in the stomach wash of a person?

Fill in the following blanks with suitable words:

(a) Miscible liquids are separated by ……….. .

(b) Immiscibl liquids are separated by using a ………….. .

(c) A mixture of kerosene and petrol can be separated by ………… .

(d) The separation of liquids by fractional distillation is based o the difference in their ………….. .

(e) The gases of air can be separated by fractional distillation of liquid air because they have different ………… .

(f) A heterogeneous mixture of liquid and solid is conveniently separated by …….. .

(g) If a mixture contains iron filings as one of the constituents, if can be separated by using a …………. .